Big Coolant 1000CC 1000ml (Green) DIY LCS Coolant Anti Freeze, Anti-Rust, Water Scale Prevention Fill Bottle with Tube Included Fill Bottle with Tube Included 2 Year Warranty Features --The functions of coolant include water quality leveling, anti-freeze, anti-rusting -- Coolant can effectively reduce the temperature of computer system. -- Protects all cooling system metals from corrosion and cavitation including aluminum -- Can be filled in any kind of water liquid cooling system